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Full Stack Infra Engineer

Red Alpha Cybersecurity Pte. Ltd.

D09 Cairnhill, Orchard, River ValleyContractS$2,500 – S$4,000/mo

Posted 13 Jul 2026

About this role

Red Alpha Cybersecurity is hiring Full Stack Infra Engineer who are eager to design, implement, and maintain robust and secure infrastructure across LAN, WAN, and cloud environments. You’ll be involved in both project-based work and the daily operations of mission-critical systems, with opportunities to grow into advanced roles across networking, infrastructure, and cybersecurity. What You’ll Be Doing Design, implement, and maintain LAN, WAN, WLAN, VPN, and firewall systems Configure and deploy network appliances, routers, switches, and load balancers (e.g. Cisco, Fortinet) Conduct vulnerability assessments and support remediation across network layers Troubleshoot network performance issues and ensure minimal downtime Work closely with clients and teams to generate system specs and present architecture solutions Plan, execute, and monitor IT infrastructure setup and upgrades (on-prem and virtualised) Manage and maintain Windows, Unix/Linux servers, virtual machines, and databases (e.g. SQL Server, Oracle) Perform routine preventive maintenance and respond promptly to system alerts and issues Support operational systems to meet SLA requirements Participate in change management, disaster recovery, and patch management processes What You Should Know or Be Eager to Learn Preferred Technical Skills (not mandatory) CCNA certification is required; CCNP is a strong advantage Familiarity with Microsoft Windows Server, Linux/Unix OS, and VM environments Basic database knowledge (e.g. SQL Server, Oracle) Hands-on experience with networking devices (e.g. Cisco routers/switches, firewalls, VPNs) Understanding of system hardening, patching, and ITIL-based operations Exposure to security appliances and tools for vulnerability scanning and network monitoring Mindset We Look For Problem-solver with strong analytical and troubleshooting skills Detail-oriented and self-motivated Strong communication and teamwork abilities Ability to stay up to date with evolving infrastructure and security technologies All selected candidates will undergo a 10-week, fully sponsored on-job-training with allowance , before being deployed full-time for 3 years.

What they're looking for

Vulnerability ScanningOracleCCNACCNP

About Red Alpha Cybersecurity Pte. Ltd.

Industry: Information & communicationsWebsite ↗

Frequently asked questions

What does a Full Stack Infra Engineer at Red Alpha Cybersecurity Pte. Ltd. do?

Red Alpha Cybersecurity is hiring Full Stack Infra Engineer who are eager to design, implement, and maintain robust and secure infrastructure across LAN, WAN, and cloud environments. You’ll be involved in both project-based work and the daily operations of mission-critical systems, with opportunitie…

What skills does this Full Stack Infra Engineer role need?

Key skills for this role include Vulnerability Scanning, Oracle, CCNA, CCNP.

How much does a Full Stack Infra Engineer at Red Alpha Cybersecurity Pte. Ltd. pay?

This role lists a salary of S$2,500 – S$4,000 per month.

Is this Full Stack Infra Engineer role remote, hybrid, or on-site?

The listing is based in D09 Cairnhill, Orchard, River Valley. Check the posting for remote or hybrid options.

How do I apply for this Full Stack Infra Engineer role?

You can apply directly on Red Alpha Cybersecurity Pte. Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.